Mental Ability Tests on 'Alphabet and Number Sequences and Series' Set 154 | free questions for competitive exams for banks, PO exams, NDA, CAT, CDS, ITBP, Civil, Defence Services and National Talent Search Exams, UGC NET, GATE, CSAT

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Aptitude Trainer and Software Developer

Quiz Questions

Each question has four choices. More than one option can be correct. After you have finished the quiz scroll towards the last question to view your result. I have provided solutions and answers to all the questions.

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Question 1

Study the following series.

K E O B I H J 3 R V N @ 5 9 D 8 Q % 1 Z

Find what should come in place of the question mark(?)

EB, IJ, 3V, ?

Soln.
Ans: B

There is a gap of 2 between the first characters of each of the given pair. The second character of each pair is two positions to to the right of the first character.

Question ID: 16-02-10-11-59-51-766.
Found an error? Send us the ID of this question.

Question 2

In the following series which item is 4th to the left of the 5th item from the right side? The series is:

Q 6 X F R V 8 1 A U N 3 L S + E T H C 7

Soln.
Ans: A

We have to find 5 + 4 = 9th item from the right side which is: 3.

Question ID: 16-02-10-11-59-51-767.
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Question 3

If the items from position 4 to the position 11 are reversed, then which item comes at position 20 in the following series? The series is:

$ N D X + Q I U W O Y 3 J P K 7 8 1 R M

Soln.
Ans: C

The position 20 falls outside the reversed positions. So the item at this position is the item at position 20 in the original series, which is M

Question ID: 16-02-10-11-59-51-768.
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Question 4

If the alphabets at the positions 1, 3, 5, 13, 15, 16 and 18 are picked up and a meaningful word is formed out of them, what would be the second letter of that word?

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z